Histidine
Histidine
Histidine (pronounced /ˈhɪstɪdiːn/, abbreviated as His or H) is an amino acid that is used in the biosynthesis of proteins. It contains an amino group, a carboxyl group, and an imidazole side chain, classifying it as a basic, aliphatic amino acid.
Etymology
The term "Histidine" is derived from the Greek word "histos" meaning "tissue", and the suffix "-idine", a common ending for amino acids.
Function
Histidine plays a vital role in growth and repair of tissues. It's necessary for the production of both red blood cells and white blood cells. Additionally, Histidine helps protect the body from damage caused by radiation and helps remove heavy metals from the body.
Related Terms
- Protein: Large biomolecules and macromolecules, composed of one or more long chains of amino acid residues.
- Amino Acid: Organic compounds that combine to form proteins.
- Imidazole: An organic compound with the formula C3N2H4.
- Red Blood Cells: Cells in the body that help carry oxygen.
- White Blood Cells: Cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
External links
- Medical encyclopedia article on Histidine
- Wikipedia's article - Histidine
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